{"data":{"id":"us/47-cfr-80.364","jurisdiction":"us","citation":"47 CFR 80.364","heading":"Frequencies for VHF digital small message services (VDSMS).","body":"Frequencies in the 156-162 MHz band may be used for VHF digital small message services (VDSMS) complying with RTCM 12301 (incorporated by reference, see § 80.7), except as follows\nVHF-FM Channels Not Available for Digital Small Message Service\nChannel Frequency (MHz)\n01A 156.050\n63A 156.175\n05A 156.250\n65A 156.275\n06 156.300\n66A 156.325\n67 156.375\n70 156.525\n12 156.600\n13 156.650\n73 156.675\n14 156.700\n74 156.725\n15 156.750\n75 156.775\n16 156.800\n76 156.825\n17 156.850\n77 156.875\n20A 157.000\n22A 157.100\nAIS 1⁄2 161.975/162.025","path":["Title 47—Telecommunication","CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION","SUBCHAPTER D—SAFETY AND SPECIAL RADIO SERVICES","PART 80—STATIONS IN THE MARITIME SERVICES","Subpart H—Frequencies"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-47.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:28Z","sha256":"5f72f548ee32be0a893ce1088c9f345ff2b9f8dca39e00a5e93a50310a6212b7","source_id":"us-cfr","stale":true,"prev":"us/47-cfr-80.363","next":"us/47-cfr-80.365"},"notice":"GroundRules: Original legal text. Not legal advice."}